X = int(input())

lst = [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ]

def Kyu(X):
   
   for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
   print(result)

Kyu(X) X = int(input()) X int(input()) int input() input lst = [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ] lst [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ] [400, 599, 8] 400 599 8 [600, 799, 7] 600 799 7 [800, 999, 6] 800 999 6 [1000, 1199, 5] 1000 1199 5 [1200, 1399, 4] 1200 1399 4 [1400, 1599, 3] 1400 1599 3 [1600, 1799, 2] 1600 1799 2 [1800, 1999, 1] 1800 1999 1 def Kyu(X):
   
   for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
   print(result) Kyu for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
    i lst if i[0] <= X <= i[1]:
         result = i[2]
         break
    i[0] <= X <= i[1] i[0] <= X i[0] i 0 X i[1] i 1 result = i[2] result i[2] i 2 break print(result) print result X X Kyu(X) Kyu X X = int(input()) int(input()) X def Kyu(X):
   
   for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
   print(result) def Kyu(X):
   
   for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
   print(result) Kyu lst = [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ] [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ] lst
X = int(input())

lst = [ [400, 599, 8], [600, 799, 7], [800, 999, 6], [1000, 1199, 5], [1200, 1399, 4], [1400, 1599, 3], [1600, 1799, 2], [1800, 1999, 1] ]

def Kyu(X):
   
   for i in lst:
      if i[0] <= X <= i[1]:
         result = i[2]
         break
   print(result)

Kyu(X)